<?php defined('BASEPATH') || exit('No direct script access allowed');

class Channel_model extends BF_Model
{
    protected $table_name	= 'channel';
	protected $key			= 'id';
	protected $date_format	= 'datetime';

	protected $log_user 	= false;
	protected $set_created	= false;
	protected $set_modified = false;
	protected $soft_deletes	= true;

    protected $deleted_field     = 'deleted';

	// Customize the operations of the model without recreating the insert,
    // update, etc. methods by adding the method names to act as callbacks here.
	protected $before_insert 	= array();
	protected $after_insert 	= array();
	protected $before_update 	= array();
	protected $after_update 	= array();
	protected $before_find 	    = array();
	protected $after_find 		= array();
	protected $before_delete 	= array();
	protected $after_delete 	= array();

	// For performance reasons, you may require your model to NOT return the id
	// of the last inserted row as it is a bit of a slow method. This is
    // primarily helpful when running big loops over data.
	protected $return_insert_id = true;

	// The default type for returned row data.
	protected $return_type = 'object';

	// Items that are always removed from data prior to inserts or updates.
	protected $protected_attributes = array();

	// You may need to move certain rules (like required) into the
	// $insert_validation_rules array and out of the standard validation array.
	// That way it is only required during inserts, not updates which may only
	// be updating a portion of the data.
	protected $validation_rules 		= array(
		array(
			'field' => 'name',
			'label' => 'lang:channel_field_name',
			'rules' => 'required|trim|max_length[20]',
		),
		array(
			'field' => 'code',
			'label' => 'lang:channel_field_code',
			'rules' => 'required|unique[bf_channel.code,bf_channel.id]|trim|max_length[20]',
		),
	);
	protected $insert_validation_rules  = array();
	protected $skip_validation 			= false;

    /**
     * Constructor
     *
     * @return void
     */
    public function __construct()
    {
        parent::__construct();
    }

    /**
     * 获取全部渠道
     * @param  int $deleted
     * @return mixed            数组或者false或者空
     */
    public function channels($deleted = 0) {
        $this->db->where(array('deleted'=>$deleted));
        return parent::find_all();
    }

    /**
     * 通过code获取单个频道
     * @param  string $code 唯一标示
     * @return mixed       object or false
     */
    public function getChannelByCode($code) {
        return $this->find_by(array('code'=>$code));
    }
    /**
     * 接口使用（跳过验证）
     */
    public function updateByCrm($id, $data){
    	$this->skip_validation = true;
    	return $this->update($id, $data);
    }
}